package com.panzhihua.common.utlis;
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import java.nio.charset.Charset;
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import java.nio.charset.StandardCharsets;
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/**
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* 字符集工具类
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*
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* @author ruoyi
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*/
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public class CharsetKit {
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/** ISO-8859-1 */
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public static final String ISO_8859_1 = "ISO-8859-1";
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/** UTF-8 */
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public static final String UTF_8 = "UTF-8";
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/** GBK */
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public static final String GBK = "GBK";
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/** ISO-8859-1 */
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public static final Charset CHARSET_ISO_8859_1 = StandardCharsets.ISO_8859_1;
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/** UTF-8 */
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public static final Charset CHARSET_UTF_8 = StandardCharsets.UTF_8;
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/** GBK */
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public static final Charset CHARSET_GBK = Charset.forName(GBK);
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/**
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* 转换为Charset对象
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*
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* @param charset
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* 字符集，为空则返回默认字符集
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* @return Charset
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*/
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public static Charset charset(String charset) {
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return StringUtils.isEmpty(charset) ? Charset.defaultCharset() : Charset.forName(charset);
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}
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/**
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* 转换字符串的字符集编码
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*
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* @param source
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* 字符串
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* @param srcCharset
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* 源字符集，默认ISO-8859-1
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* @param destCharset
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* 目标字符集，默认UTF-8
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* @return 转换后的字符集
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*/
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public static String convert(String source, String srcCharset, String destCharset) {
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return convert(source, Charset.forName(srcCharset), Charset.forName(destCharset));
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}
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/**
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* 转换字符串的字符集编码
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*
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* @param source
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* 字符串
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* @param srcCharset
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* 源字符集，默认ISO-8859-1
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* @param destCharset
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* 目标字符集，默认UTF-8
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* @return 转换后的字符集
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*/
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public static String convert(String source, Charset srcCharset, Charset destCharset) {
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if (null == srcCharset) {
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srcCharset = StandardCharsets.ISO_8859_1;
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}
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if (null == destCharset) {
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srcCharset = StandardCharsets.UTF_8;
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}
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if (StringUtils.isEmpty(source) || srcCharset.equals(destCharset)) {
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return source;
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}
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return new String(source.getBytes(srcCharset), destCharset);
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}
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/**
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* @return 系统字符集编码
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*/
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public static String systemCharset() {
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return Charset.defaultCharset().name();
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}
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}
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